13263825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 23677056

約数和(自身を除く): 10413231

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 101, 103, 255, 303, 309, 425, 505, 515, 1275, 1515, 1545, 1717, 1751, 2525, 2575, 5151, 5253, 7575, 7725, 8585, 8755, 10403, 25755, 26265, 31209, 42925, 43775, 52015, 128775, 131325, 156045, 176851, 260075, 530553, 780225, 884255, 2652765, 4421275, 13263825]

約数ペア:

[(1, 13263825), (3, 4421275), (5, 2652765), (15, 884255), (17, 780225), (25, 530553), (51, 260075), (75, 176851), (85, 156045), (101, 131325), (103, 128775), (255, 52015), (303, 43775), (309, 42925), (425, 31209), (505, 26265), (515, 25755), (1275, 10403), (1515, 8755), (1545, 8585), (1717, 7725), (1751, 7575), (2525, 5253), (2575, 5151)]